package com.chunlin.testabstract;

public class Rect extends Shape {
    private double length;
    private double width;

    Rect(double length, double width) {
        this.length = length;
        this.width = width;
    }

    public void draw() {
        System.out.println("矩形: length= " + length + " width= " + width);
    }

    public void calcArea() {
        area = length * width;
    }
}
